[Lumps!] XK8 LS1 Conversion- California legal, finally

So after much work and plenty of angst, and very pleased to write that my 98 XK8 with 2004 GTO LS1 conversion is completely California smog legal.

In hopes of a better experience than in years past, I visited a different referee today (in a neighboring county) and the car pretty much sailed right through. I brought plenty of supporting material for the swap- donor car title, GM catalog page showing stock GTO exhaust system (which I copied in the XK8 install), vacuum diagrams etc.,. They poked and prodded and finally tested the car on the dyno and it was all cool. I had 6 of 7 emissions monitors showing ready (you are allowed 1 monitor not yet ready on 2001 and up cars) and we were good to go. They got a little confused seeing 2 diagnostic connectors on the car (1 original for the Jag and a new one just for the GM engine) but that was resolved quickly. In 40 minutes I had my sticker and was on my way. Oh and the emissions numbers were pretty good too- CO, NOx, etc.,. all far under the limits.

Note- this was all done with STOCK computer programming- nothing emissions related was changed.

So now there is no question that these late model conversions can be legal even in uber-smog-tough California…

Andrew
www.JaguarSpecialties.com

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In reply to a message from A sent Tue 21 Feb 2012:

Andrew:

Hearty congratulations.

Work and angst, oh yeah, I do remember mine. Done with considerable
less talent and experience than you. a lot of help, including you.
So, now enjoy that car, as I do mine.

Yeah, documents help a lot. My GM factory manual and my scanner got
me through!!

My Jeep is up for it’s Test Only’’ exam. Hate that time, sure am
glad our legislation didn’t get away with the every year test for
the old guys!! In prep, I’ve done some freeway driving i8n 3rd snd
an oil change. Juat before I go in, I’ll do and off ramp or teo at
speed in 3rd. Wanna show upo with a blaxing hot catalyctic
converter.

Again, kudos!!

Carl–
The original message included these comments:

So after much work and plenty of angst, and very pleased to write that my 98 XK8 with 2004 GTO LS1 conversion is completely California smog legal.
In hopes of a better experience than in years past, I visited a different referee today (in a neighboring county) and the car pretty much sailed right through. I brought plenty of supporting material for the swap- donor car title, GM catalog page showing stock GTO exhaust system (which I copied in the XK8 install), vacuum diagrams etc.,. They poked and prodded and finally tested the car on the dyno and it was all cool. I had 6 of 7 emissions monitors showing ready (you are allowed 1 monitor not yet ready on 2001 and up cars) and we were good to go. They got a little confused seeing 2 diagnostic connectors on the car (1 original for the Jag and a new one just for the GM engine) but that was� resolved quickly. In 40 minutes I had my sticker and was on my way. Oh and the emissions numbers were pretty good too- CO, NOx, etc.,. all far under the limits.
Note- this was all done with STOCK computer programming- nothing emissions related was changed.
So now there is no question that these late model conversions can be legal even in uber-smog-tough California…


Carl Hutchins 1983 Jaguar XJ6 with LT1 and 1994 Jeep Grand
Walnut Creek, California, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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In reply to a message from cadjag sent Wed 22 Feb 2012:

Great job Andrew! Now go out and sell a bunch of those conversions.

My '72 LT1/700R was put on a local smog machine just to see what it
would do. True dual exhaust but the local mechanic is cool and they
were not busy. He wanted to see how it would do as well…

It would have ‘‘passed’’, even though it is Exempt due to the age. No
EGR, cats or other smog devices on the car at all.

Very good numbers and it runs really well.–
The original message included these comments:

Andrew:
Hearty congratulations.


'71 XJ6 383/200R, '72 XJ6 LT1/700R,'74 XJ6 383/700R
Glendora, CA, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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In reply to a message from A sent Tue 21 Feb 2012:

Hi Andrew,
I do NOT have these dramas on my present ZZ4
as I run LPG gas…Dyno shows 4% loss of torque
and 13% loss between Hi-premium petrol power.
LPG Price still averages 50% of Hi Grade
Petrol which is needed with 10/1 comp ratio…
Good luck with your realistic projects. Haroldus.–
Noel william
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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